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Sewage release occurs in Marquam Nature Park in SW Portland

Sanitary Sewage Release Advisory

(this is not a combined sewer overflow [CSO] advisory

(August 25, 2017) - Sewer maintenance crews responded this morning to a broken pipe in Marquam Nature Park and are working to clean up about 100 gallons of sewage that is pooling in an unnamed and self-contained stream between the Shelter Loop and Sunnyside trails.

The public is advised to adhere to warning signs posted in the area and to remain on trails.

The City of Portland treats an average of 70 million gallons of wastewater each day. Over one-third of Portland’s more than 2,500 miles of sewer pipes are over 80 years old. Pipes that fail or become blocked with grease, tree roots, and debris can cause sewage overflows. This sewage release is not related to Portland’s combined sewer overflow control system.

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The Bureau of Environmental Services provides city residents with programs to protect water quality and public health, including wastewater collection and treatment, sewer construction and maintenance, stormwater management, and stream and watershed restoration. Visit www.portlandoregon.gov/bes and follow us on Twitter for news @besportland.